General Discussion : 54496


General / 54496	54495 \| 54497

Subject:	Re: Power Functions infra-red RC protocol released!
Newsgroups:	lugnet.general, lugnet.technic, lugnet.trains, lugnet.robotics
Date:	Mon, 4 Feb 2008 15:31:11 GMT
Viewed:	23922 times

In lugnet.general, Jason J Railton wrote: <snip> > I doubt that's possible - a bytecode program just can't run fast enough to do > the timing for the IR commands, on either brick. The NXT can only manage it > because it sends them over a slow comms link to a HiTechnic IRLink sensor, then > that handles the actual transmission. The only way the RCX could do it with > it's built-in IR LED is to code the functions into a replacement firmware, as > with Bob Kojima's BrickOS example: > > http://news.lugnet.com/general/?n=54443 > > Jason R I'm runnign Dick Swan's alternate firmware that he sent me a while back. Dave K

Message has 1 Reply:

		Re: Power Functions infra-red RC protocol released!
(...) Dick Swan's replacement RCX firmware also does not support directly manipulating the IR led and it doesn't support microsecond timing control. Both of these features would be required in order to send the IR messages to a Power Function or R/C (...) (17 years ago, 4-Feb-08, to lugnet.general, lugnet.technic, lugnet.trains, lugnet.robotics)

Message is in Reply To:

		Re: Power Functions infra-red RC protocol released!
(...) I doubt that's possible - a bytecode program just can't run fast enough to do the timing for the IR commands, on either brick. The NXT can only manage it because it sends them over a slow comms link to a HiTechnic IRLink sensor, then that (...) (17 years ago, 3-Feb-08, to lugnet.general, lugnet.technic, lugnet.trains, lugnet.robotics)

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